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Calogic LLC

CL431 Datasheet Preview

CL431 Datasheet

Precision Adjustable Shunt Reference

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CORPORATION
FEATURES
Trimmed 0.5% Bandgap Reference
Nominal Temperature Range Extended to 105oC
Temperature-Compensated: 30ppm/oC
Internal Amplifier with 150mA Capability
Low Output Noise
Low Frequency Dynamic Output Impedance
PIN CONFIGURATION (Top View)
Precision Adjustable
Shunt Reference
CL431
DESCRIPTION
The CL431 is an adjustable shunt regulator designed to act as
an open-loop error amplifier with a 2.5V temperature
compensated reference. Its highly accurate 0.5% bandgap
reference is perfect for applications requiring stability and
accuracy over temperature and life.
Sharp turn-on characteristics and a low temperature
coefficient make the CL431 an excellent replacement for
many zener diode applications, programmable to any value
greater than 2.5V and up to 36V by using two external
resistors. As a combination error amplifier and reference, it
can be used to manage control loops such as switching power
supplies.
The CL431 can be used as a direct replacement for the
standard TL431.
ORDERING INFORMATION
Part
CL431LP
CL431D
CL431S
Package
Temperature Range
TO-92
8-Pin Plastic SOIC
SOT-89
0 to 105oC
0 to 105oC
0 to 105oC
TO-92 (LP)
CATHODE
ANODE
REFERENCE
1G-33
CATHODE 1
ANODE 2
ANODE 3
N/C 4
SOIC (D)
8 REFERENCE
7 ANODE
6 ANODE
5 N/C
1G-34
SOT-89 (S)
CATHODE
ANODE
REFERENCE
1G-35
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025




Calogic LLC

CL431 Datasheet Preview

CL431 Datasheet

Precision Adjustable Shunt Reference

No Preview Available !

CL431
CORPORATION
ABSOLUTE MAXIMUM RATINGS
SYMBOL
PARAMETER
RATING
UNITS
VKA
IAK
IKA
IREF
PD
TJ
TSTG
TL
Cathode-Anode Reverse Breakdown
Anode-Cathode Forward Current
Operating Cathode Current
Reference Input Current
Continuous Power at 25oC
TO-92
8L SOIC
SOT-89
Junction Temperature
Storage Temperature
Lead Temperature, Soldering 10 Seconds
37
1
250
10
775
750
1000
150
–65 to 150
300
V
A
mA
mA
mW
mW
mW
oC
oC
oC
Exceeding ABSOLUTE MAXIMUM RATINGS may cause permanent damage. Extended operation of the device at these or any other conditions
above those indicated in the operational sections of this specification is not recommended as it may adversely affect reliability and performance.
RECOMMENDED CONDITIONS
SYMBOL
PARAMETER
VKA Cathode Voltage
IK Cathode Current
RATING
VREF to 20
10
UNIT
V
mA
FUNCTIONAL BLOCK DIAGRAM
TYPICAL THERMAL RESISTANCE
PACKAGE
TO-92
SOIC
SOT-89
θJA
160oC/W
175oC/W
110oC/W
θJC
80oC/W
45oC/W
8oC/W
TYPICAL DERATING
6.3mW/oC
5.7mW/oC
9.1mW/oC
CATHODE (K)
REFERENCE (R)
+
2.5V
ANODE (A)
1G-36
CALOGIC CORPORATION, 237 Whitney Place, Fremont, California 94539, Telephone: 510-656-2900, FAX: 510-651-3025


Part Number CL431
Description Precision Adjustable Shunt Reference
Maker Calogic LLC
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CL431 Datasheet PDF






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